Allelic imbalance at chromosome 1q21 in Wilms tumor
β Scribed by Megan H. Law; Elizabeth Algar; Melissa Little
- Book ID
- 114136179
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 612 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0165-4608
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Recently, three candidate tumor suppressor genes, SMAD2 (MADR2/JV18-1), SMAD4 (DPC4), and DCC, were identified in chromosome band 18q21. We examined allelic imbalance (AI) in 18q21 using six polymorphic microsatellite markers in 38 primary ovarian cancers and four ovarian borderline tumors. AI at on
## Abstract Allelic imbalance constitutes a major mechanism of genetic aberrations in breast cancer and strongly indicates the involvement of tumor associated genes in the affected chromosomal regions. Preliminary results from our study indicated the existence of a tumor suppressor gene located on
An extended analysis for loss of heterozygosity (LOH) on eight chromosomes was conducted in a series of 82 Wilms tumors. Observed rates of allele loss were: 9.5% (1p), 5% (4q), 6% (6p), 3% (7p), 9.8% (11q), 28% (11p15), 13.4% (16q), 8.8% (18p), and 13.8% (22q). Known regions of frequent allele loss